
204784 SISTECH, BG
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS57619 VDC-AS, BG
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 71282 AS204784 ORIGIN Originate: 256 /24.00 Transit: 0 /0.00 SISTECH, BG
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 63344 AS204784 SISTECH, BG 1 0 0 1 0 0.00% Prefix AS Path Aggregation Suggestion 185.184.61.0/24 7018 174 57619 204784
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS204784 1 More Specifics 1 Total Advertisements SISTECH, BG
185.184.61.0/24 185.184.60.0/22
whois: 402590
IANA has recorded AS204784 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS204784\n % This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
% Note: this output has been filtered.
% Information related to 'AS203940 - AS205662'
as-block: AS203940 - AS205662
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2026-03-05T15:29:31Z
last-modified: 2026-03-05T15:29:31Z
source: RIPE
% Information related to 'AS204784'
% Abuse contact for 'AS204784' is 'abuse@netwave-bg.com'
aut-num: AS204784
as-name: sistech
org: ORG-SA4931-RIPE
sponsoring-org: ORG-PBE4-RIPE
import: from AS57619 accept ANY
export: to AS57619 announce AS204784
admin-c: SM14925-RIPE
tech-c: SM14925-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: NETWAVE-MNT
mnt-by: PSBG-MNT
mnt-by: lir-bg-psbg-1-MNT
created: 2022-06-03T09:29:11Z
last-modified: 2025-10-10T09:27:48Z
source: RIPE
organisation: ORG-SA4931-RIPE
org-name: SIS TECHNOLOGY AD
country: BG
reg-nr: 200510279
org-type: OTHER
address: Business Park Varna, B1, floor 4
address: 9009
address: Varna
address: Bulgaria
abuse-c: NRR9-RIPE
mnt-ref: NETWAVE-MNT
mnt-by: SIS-TECHNOLOGY-MNT
mnt-by: NETWAVE-MNT
mnt-by: PSBG-MNT
mnt-by: lir-bg-psbg-1-MNT
created: 2022-05-16T06:47:29Z
last-modified: 2026-05-13T05:43:07Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
%
% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
% For more information, see
% https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
% This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)